FR2130473B1 - - Google Patents

Info

Publication number
FR2130473B1
FR2130473B1 FR727209701A FR7209701A FR2130473B1 FR 2130473 B1 FR2130473 B1 FR 2130473B1 FR 727209701 A FR727209701 A FR 727209701A FR 7209701 A FR7209701 A FR 7209701A FR 2130473 B1 FR2130473 B1 FR 2130473B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR727209701A
Other languages
French (fr)
Other versions
FR2130473A1 (de
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of FR2130473A1 publication Critical patent/FR2130473A1/fr
Application granted granted Critical
Publication of FR2130473B1 publication Critical patent/FR2130473B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/13—Details pertaining to apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR727209701A 1971-03-26 1972-03-20 Expired FR2130473B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12833271A 1971-03-26 1971-03-26

Publications (2)

Publication Number Publication Date
FR2130473A1 FR2130473A1 (de) 1972-11-03
FR2130473B1 true FR2130473B1 (de) 1973-06-29

Family

ID=22434822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727209701A Expired FR2130473B1 (de) 1971-03-26 1972-03-20

Country Status (12)

Country Link
US (1) US3714565A (de)
JP (1) JPS5331389B1 (de)
AU (1) AU454030B2 (de)
CA (1) CA943190A (de)
CH (1) CH584897A5 (de)
FR (1) FR2130473B1 (de)
GB (1) GB1323271A (de)
IL (1) IL39027A (de)
IT (1) IT952314B (de)
NL (1) NL7203716A (de)
SE (1) SE380349B (de)
ZA (1) ZA721897B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939409A (en) * 1974-08-01 1976-02-17 Coulter Electronics, Inc. Particle study device and sample metering means used therein
US4157498A (en) * 1977-08-01 1979-06-05 Miles Laboratories, Inc. Flow-through type particle analyzing apparatus
GB8414856D0 (en) * 1984-06-11 1984-07-18 Alcan Int Ltd Detection and measurement of suspended particles in molten metal
DE3923544C1 (de) * 1989-07-15 1990-10-18 Hartmann & Braun Ag, 6000 Frankfurt, De
DK111990D0 (da) * 1990-05-04 1990-05-04 Biometic Aps Apparat og fremgangsmaade til analyse af en vaeskesuspension
WO1995017659A1 (en) * 1993-12-23 1995-06-29 Abbott Laboratories Method of making a stress relieved count probe
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
GB9526652D0 (en) * 1995-12-29 1996-02-28 Shine Thomas A Electrode assembly
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
EP1178315A1 (de) * 2000-07-31 2002-02-06 Albrecht Dr.med. Priv.Doz. Lepple-Wienhues Verfahren und Vorrichtung zur Untersuchung von Zellen mit Hilfe der Patch Clamp-Methode
DK3058337T3 (en) 2013-10-15 2019-04-15 Ecole Polytechnique Fed Lausanne Epfl MEASUREMENT TIP WITH ELECTRIC IMPEDANCE SENSOR
WO2016166729A1 (en) 2015-04-15 2016-10-20 Ecole Polytechnique Federale De Lausanne (Epfl) Devices, systems and methods for dispensing and analysing particles
US10910749B2 (en) 2017-04-11 2021-02-02 Ecole Polytechnique Federale De Lausanne (Epfl) Tip connector for fluidic and electrical connection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287638A (en) * 1962-10-02 1966-11-22 Univ Iowa State Res Found Inc Method of counting erythrocytes utilizing high frequency current
NL137000C (de) * 1964-03-26
US3395343A (en) * 1964-07-21 1968-07-30 Coulter Electronics Electronic particle study apparatus and vessel construction therefor
US3551802A (en) * 1968-02-08 1970-12-29 Leeds & Northrup Co Electrolytic conductivity cell employing a tube and a barrier member
US3539919A (en) * 1968-04-25 1970-11-10 Coulter Electronics Method for making glass aperture tube and product produced thereby

Also Published As

Publication number Publication date
ZA721897B (en) 1973-11-28
DE2213524B2 (de) 1976-07-15
US3714565A (en) 1973-01-30
GB1323271A (en) 1973-07-11
DE2213524A1 (de) 1972-10-05
CH584897A5 (de) 1977-02-15
SE380349B (sv) 1975-11-03
CA943190A (en) 1974-03-05
IL39027A0 (en) 1972-05-30
JPS5331389B1 (de) 1978-09-02
FR2130473A1 (de) 1972-11-03
IL39027A (en) 1974-06-30
IT952314B (it) 1973-07-20
AU4018372A (en) 1973-09-27
AU454030B2 (en) 1974-09-25
NL7203716A (de) 1972-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse